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Units & Conversionsmedium
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A commercial air conditioner has a cooling capacity of 4.5 tons of refrigeration4.5\text{ tons of refrigeration}4.5 tons of refrigeration. If 1 ton of refrigeration1\text{ ton of refrigeration}1 ton of refrigeration is defined as the heat transfer rate required to melt 1 short ton (2000 lbs)1\text{ short ton } (2000\text{ lbs})1 short ton (2000 lbs) of pure ice at 0∘C0^\circ\text{C}0∘C in 24 hours24\text{ hours}24 hours, calculate this cooling capacity in kilowatts (kW\text{kW}kW). (Given: Latent heat of fusion for ice =334 kJ/kg= 334\text{ kJ/kg}=334 kJ/kg, 1 lb≈0.4536 kg1\text{ lb} \approx 0.4536\text{ kg}1 lb≈0.4536 kg).